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Finding the Third Proportional to 871,708 and 1,320,604

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Solution

The third proportional to 871,708 and 1,320,604 is: 2,000,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,708 : 1,320,604 = 1,320,604 : x
  2. Step 2: Convert to fraction form
    871,708/1,320,604 = 1,320,604/x
  3. Step 3: Cross multiply
    871,708x = 1,320,604 × 1,320,604
  4. Step 4: Simplify right side
    871,708x = 1,743,994,924,816
  5. Step 5: Solve for x
    x = 1,743,994,924,816/871,708
  6. Step 6: Final answer
    x = 2,000,664.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.